771013345847 has 2 divisors, whose sum is σ = 771013345848. Its totient is φ = 771013345846.

The previous prime is 771013345799. The next prime is 771013345853. The reversal of 771013345847 is 748543310177.

771013345847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 771013345847 - 2²⁴ = 770996568631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 771013345795 and 771013345804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (771013365847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385506672923 + 385506672924.

It is an arithmetic number, because the mean of its divisors is an integer number (385506672924).

Almost surely, 2^771013345847 is an apocalyptic number.

771013345847 is a deficient number, since it is larger than the sum of its proper divisors (1).

771013345847 is an equidigital number, since it uses as much as digits as its factorization.

771013345847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 771013345847 in words is "seven hundred seventy-one billion, thirteen million, three hundred forty-five thousand, eight hundred forty-seven".